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...branches arise from below the sheaths, circling the shoots like spokes on a wheel. Stems that bear terminal spore cones are often flesh-coloured and are present only for a short time in the spring. Wood horsetail (
E. sylvaticum) grows in moist, cool woods and has many delicate branches that circle the shoots. Variegated horsetail (
E. variegatum) is evergreen and has black markings...